ParagonIE_Sodium_Core32_Curve25519::fe_cmov( ParagonIE_Sodium_Core32_Curve25519_Fe $f, ParagonIE_Sodium_Core32_Curve25519_Fe $g, int $b = 0 ): ParagonIE_Sodium_Core32_Curve25519_Fe

111    public static function fe_cmov(112        ParagonIE_Sodium_Core32_Curve25519_Fe $f,113        ParagonIE_Sodium_Core32_Curve25519_Fe $g,114        $b = 0115    ) {116        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */117        $h = array();118        for ($i = 0; $i < 10; ++$i) {119            if (!($f[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {120                throw new TypeError('Expected Int32');121            }122            if (!($g[$i] instanceof ParagonIE_Sodium_Core32_Int32)) {123                throw new TypeError('Expected Int32');124            }125            $h[$i] = $f[$i]->xorInt32(126                $f[$i]->xorInt32($g[$i])->mask($b)127            );128        }129        /** @var array<int, ParagonIE_Sodium_Core32_Int32> $h */130        return ParagonIE_Sodium_Core32_Curve25519_Fe::fromArray($h);131    }